See, annaw, in the equation, 'a' is for the attraction between molecules, like a quiet pull, and 'b' is the volume those molecules themselves occupy, no space for negotiation. But for this exam, you must remember 'a' has units of bar L²/mol² and 'b' is L/mol — that numerical dance is what they'll trap you on. My grandmother’s medicine doses, each with their own strict timing and volume, taught me that the constants matter less than how precisely you measure and apply them.
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